When you decide to greet another person using the eastern bow instead of the westernhandshake. But since they're not worth putting strain on your back, you sneak in an ergonomically correct squat instead of a bow.
Person 1: Why are you squatting instead of shaking my hand?
Person 2: It's 2020 learn 2 bow. Handshakes and elbow bumps are a thing of the past.
Person 1: Looks more like a bowing tiger hidden crouch, but okay
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.